Where does this definition of fall behind in come from?
This entry for fall behind in is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Is fall behind in a noun, verb, or something else?
In this entry, fall behind in is tagged as 2v..
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.